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| Subject | English | Basque |
| environ. | natural heritage Generally, the world's natural resources as handed down to the present generation, and specifically, the earth's outstanding physical, biological and geological formations, and habitats of threatened species of animals and plants and areas with scientific, conservation or aesthetic value | natur ondare |
| environ. | natural heritage assessment Evaluation of the natural structures, resources and landscapes to ensure their careful management and preservation | natur ondarearen ebaluazio |